History WesternAnimation / AstroBoy

* TheCameo: [[spoiler:The alien that shows up at the end of the movie is actually an Artificial Sun from another Tezuka manga and appears in the ''VideoGame/AstroBoyOmegaFactor'' game.]]
** Zeus from ''Zentrix'' gets another cameo in the form of a poster in Toby's room.
* CatchPhrase: Onward and upward!

* WhatAnIdiot: You would expect after what happened to Toby when President Stone wanted his robot Peacekeeper to be powered with the Red Core in his belief that would bring him popularity to be elected as president of Metro City, that he would be more careful next time and think things through. But no, instead President Stone uses Red Core on Peacekeeper again to get the Blue Core from Astro (robotic clone of Toby who was accidentally killed) who escapes thanks to his father Tenma realizing that even if Astro is not Toby, he is still son, and as a result, he absorbs President Stone and starts wreaking havoc on Metro City. After after Peacekeeper is ultimately destroyed by Astro who willing sacrifices himself for the sake of Metro City, President Stone ends up being arrested and sent to prison for lifetime.

* ExpressiveMask: The FacelessGoons helmets have computer screens to indicate when they are surprised (!), confused (?), or have [[Squick emptied their bowels]].

* AdaptationSpeciesChange: [[spoiler: The Artifical Sun from the original manga appears at the end of the film, but as an alien instead.]]

* AgeLift: Toby and Astro were both aged up a few years.
* AmusingInjuries: Astro is extraordinarily prone to crashing through signs, buildings, streets....of course he barely gets hurt because of his superstructure.

* ArtisticLicenseNuclearPhysics: One researcher says the blue energy sphere is more powerful than nuclear energy. A watt is a watt, no matter what the source. This is like saying a pound of steel weighs more than a pound of feathers. It's all the same, unless you specify the basis for your comparison (such as "...more watts than X" or "...a higher voltage than Y.")
* BadassAdorable: Astro is just as cute as always but is a superpowered robot.
* BadassBoast: "I'm old school!"

* BeautyIsNeverTarnished: After Astro pulls a [[spoiler:heroic sacrifice, he is covered in (burn?) marks and his right arm is ripped at the shoulder. But then Zog revives him and he's all cleaned up.]]
* {{Bowdlerization}}: The FantasticRacism between robots and humans is almost entirely absent from the final film. As one review put it, it's nothing more than a "toothless" message about friendship. Probably most notable is how the Robot Revolutionary Front is presented as comic relief, while the original manga... well... had characters like the [[KnightTemplar Blue Knight]].

* ButtCannon: Astro's trope-making rear-mounted machine guns make their appearance in the climax to shoot out one of the Peacekeeper's eyes. He's just as confused as people new to the franchise probably are.
-->'''Astro''': "I've got machine guns... in my ''butt''?!"
* CallItKarma: [[spoiler: Astro brought Zog to life with the Blue Core energy; Zog repaid the favor.]]

* TheCameo: The Alien in the end is actually an Artificial Sun from another Tezuka Manga and appears in the ''VideoGame/AstroBoyOmegaFactor'' game.

* ChekhovsGun: At the beginning, Astro learns he can tunnel through solid rock. Later, when he is up against the [[spoiler:Peacekeeper/Stone]] he gets smashed into the ground, only to come up between the bad guy's legs by digging through the street.
* TheChewToy: When Astro flies around Metro City, Mustache/Shunsaku Ban ''will'' meet with some random misfortune as Astro passes.

* DeadHatShot: When [[spoiler:Toby is vaporized by the out-of-control military robot, there's not a trace left of him -- except his hat and a single strand of hair]].

-->'''Cora:''' ''(when Astro gives his fetid pizza slice to another boy)'' Don't be so nice. You're going starve to death -- or be the sole survivor.

* DecompositeCharacter: While Dr. Tenma turns evil in other versions, in this version he stays good and [[CanonForeigner President Stone]] fills the role that Tenma normally does.

* DiesDifferentlyInAdaptation: Long-Term fans of ''Astro Boy'' all know the story about how Dr. Tenmas' son Tobio invariably died in a car accident and caused the good doctor to create a robot built in the likeness of his late son, with only a few variants that allow for the Astro Boy to eventually break away or be separated from Dr. Tenma. So it came as a shock that Toby in the movie didn't follow the fate of the other Tobios. [[spoiler:Instead, he was completely vaporized by an out-of-control military robot during an experiment.]]

* EveryoneHasStandards: The crowd at the robot killer ring start booing at [[spoiler:Hamegg when he tries to taser Astro into fighting, only for Astro to save him from Zog]].
* EvilIsNotAToy: Stone is ''way'' too enamored of the Red Core. [[spoiler:Experience fails to teach him that he can't control it.]]
* ExpressiveMask: The FacelessGoons helmets have computer screens to indicate when they are surprised (!), confused (?), or have emptied their bowels.
* EyeScream: Astro uses his ButtCannon to shoot out one of the peacekeeper's eyes.

* GeneralRipper: President Stone wants war with the surface, even when its clear that the people there don’t care about Metro City beyond being annoyed and everyone there wants to HELP the surface recover.
* GentleGiant: Zog, but don't push him.

** When Astro learns about the robots destroying each other in the arena, Cora jokingly remarks, "What did you expect? [[Videogame/MegaManClassic Rock, paper, scissors?"]]

* DeadHatShot: When [[spoiler:Toby is vaporized by the out-of-control military robot, there's not a trace left of him -- except his hat]].

* HilariousInHindsight: To fans of the VideoGame/GearsOfWar franchise, President Stone may come across as a cartoon caricature of COG leader Chairman Prescott, both in his design and personality, both characters have a military force comprised of physically imposing armoured men, and lived in a intact isolated city in a post apocalyptic world. this is likely a coincidence, considering that the movie was in development around the same time that Gears of War 2 came out.